California contractor license
KEYSTONE BUILDER
- B General Building
KEYSTONE BUILDER is a B General Building contractor in Walnut Creek, Contra Costa County, licensed in California for 34 years (since 1992). As of Aug 4, 2025, state records list the license as suspended and no license bond is on file.
KEYSTONE BUILDERB General Building · checked Aug 4, 2025
SuspendedLicense number#646014
Licensed sinceMay 23, 1992
Years licensed34 years
Expiration on recordMay 31, 2027
City and countyWalnut Creek, Contra Costa County
License bondNot on file
ProjectsNone on file
Full record
Insurance, workers' comp, violations and permits.
Workers' comp, insurance policies, violations and full permit historyFree with your email. Shown on this page after you unlock.
LockedWorkers' compUnlock to view
Insurance policiesUnlock to view
Violations, complaints and disciplinary actionsUnlock to view
Full permit historyUnlock to view
5 free unlocks left today
Is this your business? Claim it free.
Claim your free profile to help keep your business details accurate. We'll verify you first.
Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Aug 4, 2025.